P
US9415487B2ActiveUtilityPatentIndex 83

Tool system for hammer union

Assignee: CONCENTRIC PIPE AND TOOL RENTALS LLCPriority: Aug 21, 2013Filed: May 28, 2014Granted: Aug 16, 2016
Est. expiryAug 21, 2033(~7.1 yrs left)· nominal 20-yr term from priority
Inventors:WILSON DAVIDMURRAY CHRIS
B25B 13/02B25B 13/5091B25B 13/08B25B 13/50
83
PatentIndex Score
11
Cited by
27
References
9
Claims

Abstract

A tool, a tool system, and method for applying torque to a hammer union. The tool includes a handle attached to a tool head, and the tool head further includes at least two indentations, the indentations having a curved rearward wall and forming a mouth with a first width and a mid-section with a second width, wherein the mid-section width is greater than the mouth width.

Claims

exact text as granted — not AI-modified
The invention claimed is: 
     
       1. A tool for applying torque to a hammer union having three upsets, the tool comprising:
 (i) a handle attached to a tool head, 
 (ii) at least two indentations formed in the tool head, the indentations having a curved rearward wall and forming a mouth with a first width and a mid-section with a second width, wherein the mid-section width is greater than the mouth width; and 
 (iii) teeth formed at opposing edges of the indentations, wherein at least one tooth is a dual face tooth including a mid-portion and an enlarged end portion wider than the mid-portion. 
 
     
     
       2. The tool according to  claim 1 , further comprising at least three indentations spaced to accommodate three upsets of a hammer union joint. 
     
     
       3. The tool according to  claim 2 , wherein a center of the three indentations are spaced at about 120° arcs from one another. 
     
     
       4. The tool according to  claim 2 , wherein the indentations form a clover-leaf pattern within the tool head. 
     
     
       5. The tool according to  claim 1 , wherein at least one tooth is a single face, tapered point tooth. 
     
     
       6. The tool according to  claim 1 , wherein one face of the tool head further comprises at least one stop surface extending at least partially over at least one of the indentations. 
     
     
       7. The tool according to  claim 1 , wherein the tool head has an open throat section. 
     
     
       8. The tool according to  claim 7 , wherein single face, tapered teeth flank the open throat section. 
     
     
       9. The tool according to  claim 1 , wherein the handle comprises at least two telescoping sections.

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